class_docstr: A component for writing documents to a DocumentStore.
docstr: Serialize this component to a dictionary.
docstr_tok: ["Serialize","this","component","to","a","dictionary","."]
code: def to_dict(self) -> Dict[str, Any]:
      """
      Serialize this component to a dictionary.
      """
      return default_to_dict(
          self,
          document_store=self.document_store.to_dict(),
          policy=self.policy.name,
      )
  
file_path: haystack/haystack/components/writers/document_writer.py
imports: from typing import List, Optional, Dict, Any
  import importlib
  import logging
  from haystack import component, Document, default_from_dict, default_to_dict, DeserializationError
  from haystack.document_stores.types import DocumentStore, DuplicatePolicy
label_desc: Use image node_id 3 for calling the DocumentWriter obj's underlying member method code with example usage: obj.to_dict() and returns: default_to_dict